#3A66DF Color Information

Hex color code: #3A66DF

The hex color #3A66DF is a vivid blue with RGB values of (58, 102, 223) and HSL of (224°, 72%, 55%). It is frequently seen in web interfaces.

Try:

Color NameRoyal Blue

HEX

#3A66DF

RGB

58, 102, 223

HSL

224°, 72%, 55%

CMYK

74%, 54%, 0%, 13%

Shades

CSS Usage

color: #3A66DF;
background-color: #3A66DF;
border-color: #3A66DF;
box-shadow: 0 0 10px #3A66DF;
border: 2px solid #3A66DF;

Tailwind Usage

bg-[#3A66DF]
text-[#3A66DF]
border-[#3A66DF]
shadow-[0_0_10px_3A66DF]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #3A66DF, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3A66DF; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #3A66DF; color: #FFFFFF; }

Text Highlight

The quick brown fox jumps over the lazy dog. highlighted text example shows how the color looks as a text highlight.

Card

Card Title

This card uses your color as a border accent.

.card-accent { border: 2px solid #3A66DF; background-color: #3A66DF15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #3A66DF20; border-left: 4px solid #3A66DF; }

Link / Accent

This is a paragraph with a link using your color. The color can be applied to interactive elements.

a { color: #3A66DF; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3A66DF in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

58, 102, 223

Red: 58 / Green: 102 / Blue: 223

HSL

224°, 72%, 55%

Hue: 224° / Saturation: 72% / Lightness: 55%

CMYK

74%, 54%, 0%, 13%

Cyan: 74% / Magenta: 54% / Yellow: 0% / Key: 13%

What color is #3A66DF?

#3A66DF is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

DFB33A

Color Palette

HEX to RGB

Convert #3A66DF to RGB:

rgb(58, 102, 223)HEX to RGB Converter →

HEX to HSL

Convert #3A66DF to HSL:

hsl(224, 72%, 55%)RGB to HSL Converter →

HEX to CMYK

Convert #3A66DF to CMYK:

cmyk(74%, 54%, 0%, 13%)Color Converter →

Color Meaning and Usage

A striking blue tone, #3A66DF has RGB (58, 102, 223) and HSL (224°, 72%, 55%). Known for evoking creativity and luxury, this blue-purple hue is well suited for marketing pages and hero sections. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3A66DF is #DFB33A, creating high-contrast pairings. For softer combinations, try analogous colors like #3AB8DF.

Use #3A66DF in CSS: color: #3A66DF or background-color: #3A66DF. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3A66DF

Sample text on this color - The quick brown fox jumps over the lazy dog.

Contrast Ratio: 4.15:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3A66DF?

#3A66DF is a striking blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #3A66DF?

#3A66DF in RGB is (58, 102, 223) - 58 red, 102 green, and 223 blue.

How to use #3A66DF in CSS?

Use #3A66DF directly in your CSS properties like color or background-color.

What colors go well with #3A66DF?

#DFB33A (complementary), #3AB8DF (analogous), and #1D44AF (lighter shade) work well with #3A66DF.